The floats do not use Wi-Fi, they are hard wired ethernet connections between units on the float. In our environment we typically have quite literally thousands of people standing around watching our parade, each with their own Wi-Fi enabled devices that can interfere and a select few...
I manage a fleet of several hundred parade floats and many of those floats have multiple units (think of a train where you have the locomotive, passenger cars, and a caboose, each is a unit). Right now, they are all independent controllers each running their own xLights show. I am planning on...